I kind of agree, and would like to elaborate here.

Exhibit A - You have schizophrenia

Exhibit B - This is indeed a psychosis forum

Exhibit C - There are many red flags in your posts on this

What do you expect? We are here to support you, but naturally we're seeing things in a certain light, that in all honesty seems rather likely.

At least talk this through with your friend if you aren't comfortable going to your p-doc with this. You need to bounce all this off someone who can rationalize what is going on.

The tiny details you are picking up on, that's like a hallmark of psychosis. Attributing meaning to the smallest changes... you are actively looking for things to be wrong. Just saying...